My black boult curve "earphone's battery" is defective, and it is imperfect in charging by time, and some times the battery got down automatically, so i have to do complaint due to faulty product which i got.. Because it has been only 3 or 4 months completed, so which is in the warranty period, however please let my product keep in warranty.~your faithfully customer.
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headphone One side spekar is not working